<template>
  <el-main>
    <el-form ref="deptForm" :model="parms" :inline="true" size="small">
      <el-form-item label="">
        <el-input
          v-model="parms.searchName"
          placeholder="请输入部门名称"
        />
      </el-form-item>
      <el-form-item>
        <el-button icon="el-icon-search">查询</el-button>
        <el-button icon="el-icon-close">重置</el-button>
        <el-button
          v-if="hasPerm('sys:addDepartment')"
          type="primary"
          icon="el-icon-plus"
          @click="addDept"
        >新增</el-button>
      </el-form-item>
      <!-- <svg-icon style="font-size: 30px" icon-class="menus" /> -->
    </el-form>
    <el-table
      :data="tableList"
      row-key="id"
      default-expand-all
      :tree-props="{ children: 'children' }"
      border
      stripe
    >
      <el-table-column prop="name" label="部门名称" />
      <el-table-column prop="parentName" label="上级部门" />
      <el-table-column prop="deptCode" label="部门编码" />
      <el-table-column prop="deptPhone" label="部门电话" />
      <el-table-column prop="deptAddress" label="部门地址" />
      <el-table-column label="操作" align="center" width="250">
        <template slot-scope="scope">
          <el-button
            v-if="hasPerm('sys:editDept')"
            icon="el-icon-edit-outline"
            type="primary"
            size="small"
            @click="editHandler(scope.row)"
          >编辑</el-button>
          <el-button
            v-if="hasPerm('sys:deleteDept')"
            icon="el-icon-close"
            type="danger"
            size="small"
            @click="deleteHandler(scope.row)"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 新增部门弹框 -->
    <sys-dialog
      :title="addDialog.title"
      :width="addDialog.width"
      :visible="addDialog.visible"
      @onClose="onClose"
      @onConfirm="onConfirm"
    >
      <div slot="content">
        <el-form
          ref="addDeptForm"
          :model="addDeptModel"
          :rules="rules"
          label-width="80px"
          :inline="true"
          size="small"
        >
          <el-form-item prop="parentName" label="上级部门">
            <el-input
              v-model="addDeptModel.parentName"
              @click.native="selectDept()"
            />
          </el-form-item>
          <el-form-item prop="name" label="部门名称">
            <el-input v-model="addDeptModel.name" />
          </el-form-item>
          <el-form-item label="部门编码">
            <el-input v-model="addDeptModel.deptCode" />
          </el-form-item>
          <el-form-item label="部门电话">
            <el-input v-model="addDeptModel.deptPhone" />
          </el-form-item>
          <el-form-item label="部门经理">
            <el-input v-model="addDeptModel.manager" />
          </el-form-item>
          <el-form-item label="部门地址">
            <el-input v-model="addDeptModel.deptAddress" />
          </el-form-item>
          <el-form-item label="部门序号">
            <el-input v-model="addDeptModel.orderNum" />
          </el-form-item>
        </el-form>
      </div>
    </sys-dialog>
    <!-- 选择上级部门弹框 -->
    <sys-dialog
      :title="parentDialog.title"
      :width="parentDialog.width"
      :height="parentDialog.height"
      :visible="parentDialog.visible"
      @onClose="parentOnClose"
      @onConfirm="parentOnConfirm"
    >
      <div slot="content">
        <el-tree
          ref="parentTree"
          style="font-size: 14px"
          :data="treeList"
          node-key="id"
          :props="defaultProps"
          default-expand-all
          :highlight-current="true"
          :expand-on-click-node="false"
          @node-click="handleNodeClick"
        >
          <div slot-scope="{ node, data }" class="customer-tree-node">
            <!-- 长度为0说明没有下级 -->
            <span v-if="data.children.length == 0">
              <i
                class="el-icon-document"
                style="color: #8c8c8c; font-size: 20px"
              />
            </span>
            <span v-else @click.stop="openBtn(data)">
              <svg-icon
                v-if="data.open"
                style="font-size: 25px"
                icon-class="add-s"
              />
              <svg-icon v-else style="font-size: 20px" icon-class="sub-s" />
            </span>
            <span>{{ node.label }}</span>
          </div>
        </el-tree>
      </div>
    </sys-dialog>
  </el-main>
</template>

<script>
import {
  getDeptListApi,
  getParentTreeApi,
  addDeptSaveApi,
  deleteDeptApi,
  editDeptSaveApi
} from '@/api/department'
import SysDialog from '@/components/system/SysDialog'
export default {
  // 注册组件
  components: {
    SysDialog
  },
  data() {
    return {
      // 树的children属性绑定
      defaultProps: {
        children: 'children',
        label: 'name'
      },
      // 上级部门弹框属性
      parentDialog: {
        title: '',
        width: 300,
        height: 450,
        visible: false
      },
      // 表单验证规则
      rules: {
        parentName: [
          {
            required: true,
            trigger: 'change',
            message: '请选择上级部门'
          }
        ],
        name: [
          {
            required: true,
            trigger: 'change',
            message: '请填写部门名称'
          }
        ]
      },
      // 新增部门表单数据域
      addDeptModel: {
        editType: '',
        id: '',
        pid: '',
        parentName: '',
        manager: '',
        deptAddress: '',
        deptPhone: '',
        name: '',
        deptCode: '',
        orderNum: ''
      },
      // 存储新增对话框属性
      addDialog: {
        title: '',
        width: 620,
        height: 210,
        visible: false
      },
      // 存储部门列表数据
      tableList: [],
      // 存储搜索关键字数据域
      parms: {
        searchName: ''
      },
      treeList: []
    }
  },
  created() {
    this.getDeptList()
  },
  methods: {
    openBtn(data) {
      data.open = !data.open
      this.$refs.parentTree.store.nodesMap[data.id].expanded = !data.open
    },
    // 上级部门树节点点击事件
    handleNodeClick(data) {
      console.log(data)
      this.addDeptModel.pid = data.id
      this.addDeptModel.parentName = data.name
    },
    // 选项上级部门
    async selectDept() {
      this.parentDialog.title = '选择上级部门'
      this.parentDialog.visible = true
      // 获取上级部门树数据
      const res = await getParentTreeApi()
      if (res && res.code == 200) {
        this.treeList = res.data
      }
    },
    // 选项上级部门确认事件
    parentOnConfirm() {
      this.parentDialog.visible = false
    },
    // 选项上级部门取消
    parentOnClose() {
      this.parentDialog.visible = false
    },
    // 关闭弹框
    onClose() {
      this.addDialog.visible = false
    },
    // 确认弹框
    onConfirm() {
      this.$refs.addDeptForm.validate(async(vaild) => {
        if (vaild) {
          let res = null
          if (this.addDeptModel.editType == '0') {
            // 新增
            res = await addDeptSaveApi(this.addDeptModel)
          } else {
            // 编辑
            res = await editDeptSaveApi(this.addDeptModel)
          }
          if (res && res.code == 200) {
            this.$message.success(res.msg)
            // 新增或者编辑成功刷新列表
            this.getDeptList()
            this.addDialog.visible = false
          }
        }
      })
    },
    // 新增部门
    addDept() {
      // 清空表单
      this.$resetForm('addDeptForm', this.addDeptModel)
      this.addDialog.title = '新增部门'
      this.addDialog.visible = true
      this.addDeptModel.editType = '0' // 0表示新增
    },
    // 获取部门列表
    async getDeptList() {
      const res = await getDeptListApi(this.parms)
      if (res && res.code == 200) {
        this.tableList = res.data
      }
    },
    editHandler(row) {
      console.log(row)
      // 清空表单
      this.$resetForm('addDeptForm', this.addDeptModel)
      // 显示弹框
      this.addDialog.visible = true
      this.addDialog.title = '编辑部门'
      this.addDeptModel.editType = '1' // 1表示编辑
      // 把当前编辑的数据复制到新增部门表单数据域
      this.$objCoppy(row, this.addDeptModel)
    },
    // 机构删除
    async deleteHandler(row) {
      console.log(row)
      const confirm = await this.$myconfirm('确认删除该数据吗?')
      if (confirm) {
        const parm = {
          id: row.id
        }
        const res = await deleteDeptApi(parm)
        if (res && res.code == 200) {
          this.$message.success(res.msg)
          // 新增成功刷新列表
          this.getDeptList()
        }
      }
    }
  }
}
</script>

<style lang="scss" scoped>
::v-deep .el-tree {
  // 将每一行的设置为相对定位 方便后面before after 使用绝对定位来固定位置
  .el-tree-node {
    position: relative;
    padding-left: 10px;
  }
  // 子集像右偏移 给数线留出距离
  .el-tree-node__children {
    padding-left: 20px;
  }
  //这是竖线
  .el-tree-node :last-child:before {
    height: 40px;
  }
  .el-tree > .el-tree-node:before {
    border-left: none;
  }
  .el-tree > .el-tree-node:after {
    border-top: none;
  }
  //这自定义的线 的公共部分
  .el-tree-node:before,
  .el-tree-node:after {
    content: "";
    left: -4px;
    position: absolute;
    right: auto;
    border-width: 1px;
  }
  .tree :first-child .el-tree-node:before {
    border-left: none;
  }
  // 竖线
  .el-tree-node:before {
    border-left: 1px dotted #d9d9d9;
    bottom: 0px;
    height: 100%;
    top: -25px;
    width: 1px;
  }
  //横线
  .el-tree-node:after {
    border-top: 1px dotted #d9d9d9;
    height: 20px;
    top: 14px;
    width: 24px;
  }
  .el-tree-node__expand-icon.is-leaf {
    width: 8px;
  }
  //去掉elementui自带的展开按钮  一个向下的按钮,打开时向右
  .el-tree-node__content > .el-tree-node__expand-icon {
    display: none;
  }
  //每一行的高度
  .el-tree-node__content {
    line-height: 30px;
    height: 30px;
    padding-left: 10px !important;
  }
}
//去掉最上级的before  after 即是去电最上层的连接线
::v-deep .el-tree > div {
  &::before {
    display: none;
  }
  &::after {
    display: none;
  }
}
</style>
